Why are most of the deserts on Earth located in the central part of the continents?

As you know, most of the precipitation (snow, rain, etc.) is formed from moisture, which evaporates from the surface of the seas and oceans. When the wind directs the cloud towards the continents, they often collide with mountain ranges, and all the moisture contained in them falls on these hills. Thus, only dry wind reaches the central part of the continents. It is for this reason that most deserts or arid steppes are located in the central regions of the continents.